Cell theory timeline

Leeuwenhoek lifespan

Period: 1602 to 1697

Was able to know more about cells because of the microscope and discover more things

microscope invention

Period: 1632 to 1723

With the invention of the microscope in 1632-1723 poeple were able to see more and determine what molecules and cells were there

The first description of the cell

Period: 1635 to 1702

Robert Hooke (1635– 1702), an English physicist who was also a distinguished microscopist gave the first description of the cell

Discovery of frog embryo

Period: 1637 to 1680

Jan Swammerdam was the person to discover frog embryo

naturalist Lazzaro Spallanzani

Period: 1729 to 1799

He and other researchers showed that an organism derives from another organism

Robert Brown

Period: 1773 to 1858

was the first to recognize the nucleus as an essential constituent of living cells

Albert Kölliker

Period: 1817 to 1905

Albert Kölliker who showed that cells are formed through scission of pre-existing cells

. The introduction of the oilimmersion lens

1870

. The introduction of the oilimmersion lens in 1870

longitudinal splitting of salamander

1888

Flemming observed the longitudinal splitting of salamander chromosomes (a term introduced only in 1888 by Wilhelm Waldeye

Waldeyer introduced the term ‘‘neurons’

1891

Waldeyer introduced the term ‘‘neurons’ in 1891 to indicate independent nerve cells